The 2 Foot, 600mm LED tube will replace any Fluorescent tube of the same length. Since the fluorescent tubes usually consume around 18 to 20 watts, making the change will save you at least 50% on your tube lighting costs (Calculate Your Savings). This light carries a 3 year warranty and will last 50,000 hours. They emit around 900 lumens. They fit in the exact same fitting as ordinary fluorescent tubes but the Starter and Ballast needs to be removed or bypassed when installing an LED Tube.